./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/seq-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9ac1c5-f9c8-43e8-b89e-7b76c1820e99/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9ac1c5-f9c8-43e8-b89e-7b76c1820e99/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9ac1c5-f9c8-43e8-b89e-7b76c1820e99/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9ac1c5-f9c8-43e8-b89e-7b76c1820e99/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9ac1c5-f9c8-43e8-b89e-7b76c1820e99/bin/utaipan-9zjyvhn0QE/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9ac1c5-f9c8-43e8-b89e-7b76c1820e99/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a2d313545e3ff640d0e31c08cfe964a588d855085838acddd73791016cac8046 ........................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9ac1c5-f9c8-43e8-b89e-7b76c1820e99/bin/utaipan-9zjyvhn0QE/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:07:45,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:07:45,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:07:45,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:07:45,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:07:45,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:07:45,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:07:45,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:07:45,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:07:45,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:07:45,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:07:45,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:07:45,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:07:45,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:07:45,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:07:45,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:07:45,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:07:45,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:07:45,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:07:45,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:07:45,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:07:45,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:07:45,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:07:45,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:07:45,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:07:45,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:07:45,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:07:45,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:07:45,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:07:45,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:07:45,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:07:45,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:07:45,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:07:45,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:07:45,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:07:45,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:07:45,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:07:45,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:07:45,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:07:45,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:07:45,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:07:45,160 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9ac1c5-f9c8-43e8-b89e-7b76c1820e99/bin/utaipan-9zjyvhn0QE/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-10-24 11:07:45,189 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:07:45,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:07:45,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:07:45,190 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:07:45,190 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:07:45,191 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:07:45,191 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:07:45,191 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:07:45,191 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:07:45,191 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:07:45,192 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:07:45,192 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:07:45,192 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:07:45,192 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:07:45,192 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:07:45,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:07:45,194 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-24 11:07:45,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:07:45,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:07:45,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:07:45,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:07:45,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:07:45,194 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-24 11:07:45,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:07:45,195 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:07:45,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:07:45,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:07:45,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:07:45,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:07:45,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:07:45,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:07:45,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:07:45,196 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:07:45,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:07:45,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:07:45,197 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:07:45,197 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:07:45,197 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9ac1c5-f9c8-43e8-b89e-7b76c1820e99/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9ac1c5-f9c8-43e8-b89e-7b76c1820e99/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2d313545e3ff640d0e31c08cfe964a588d855085838acddd73791016cac8046 [2021-10-24 11:07:45,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:07:45,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:07:45,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:07:45,494 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:07:45,494 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:07:45,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9ac1c5-f9c8-43e8-b89e-7b76c1820e99/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/busybox-1.22.0/seq-2.i [2021-10-24 11:07:45,602 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9ac1c5-f9c8-43e8-b89e-7b76c1820e99/bin/utaipan-9zjyvhn0QE/data/53f24e611/a125c13568a24960a95ad11f4a6bf96e/FLAGd77b09cf8 [2021-10-24 11:07:46,336 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:07:46,337 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9ac1c5-f9c8-43e8-b89e-7b76c1820e99/sv-benchmarks/c/busybox-1.22.0/seq-2.i [2021-10-24 11:07:46,385 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9ac1c5-f9c8-43e8-b89e-7b76c1820e99/bin/utaipan-9zjyvhn0QE/data/53f24e611/a125c13568a24960a95ad11f4a6bf96e/FLAGd77b09cf8 [2021-10-24 11:07:46,469 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9ac1c5-f9c8-43e8-b89e-7b76c1820e99/bin/utaipan-9zjyvhn0QE/data/53f24e611/a125c13568a24960a95ad11f4a6bf96e [2021-10-24 11:07:46,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:07:46,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:07:46,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:07:46,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:07:46,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:07:46,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:07:46" (1/1) ... [2021-10-24 11:07:46,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2321e971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:46, skipping insertion in model container [2021-10-24 11:07:46,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:07:46" (1/1) ... [2021-10-24 11:07:46,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:07:46,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:07:47,883 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2021-10-24 11:07:47,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5cf59cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:47, skipping insertion in model container [2021-10-24 11:07:47,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:07:47,885 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:07:47,887 INFO L168 Benchmark]: Toolchain (without parser) took 1388.40 ms. Allocated memory was 90.2 MB in the beginning and 125.8 MB in the end (delta: 35.7 MB). Free memory was 68.1 MB in the beginning and 86.5 MB in the end (delta: -18.5 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. [2021-10-24 11:07:47,888 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 90.2 MB. Free memory is still 69.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:07:47,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1383.10 ms. Allocated memory was 90.2 MB in the beginning and 125.8 MB in the end (delta: 35.7 MB). Free memory was 68.1 MB in the beginning and 86.5 MB in the end (delta: -18.5 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. [2021-10-24 11:07:47,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 90.2 MB. Free memory is still 69.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1383.10 ms. Allocated memory was 90.2 MB in the beginning and 125.8 MB in the end (delta: 35.7 MB). Free memory was 68.1 MB in the beginning and 86.5 MB in the end (delta: -18.5 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2536]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...